Well I can answer my own question.
configfs doesn't seem to be mounted at /sys/kernel/config
and even when it is, superuser cannot create a directory
there. So mount configfs somewhere else:
mount -t configfs none /tmp/config
Then in reference to this page:
http://linux-iscsi.org/wiki/Target/configFS
change this line:
export TARGET=/sys/kernel/config/target/core/
to
export TARGET=/tmp/config/target/core/
then continue.
BTW The target infrastructure creates this noise in the log:
"Unable to load target_core_stgt"
There is no such module that I can see.
And I still can't do what I want: to use the target
infrastructure to make a disk image in a file look
like a SCSI device on the local machine. No iSCSI,
SRP, FCxxx, SAS, UAS nor SOP ... just _SCSI_ !!
Doug Gilbert
On 11-09-16 12:09 PM, Douglas Gilbert wrote:
ping ....
Could some target folks please answer the following question?
I get the same show stopper on lk 3.0.4 :
root@test:/sys/kernel/config# mkdir target
mkdir: cannot create directory `target': No such file or directory
Doug Gilbert
On 11-07-19 11:17 AM, Raju wrote:
Hi,
I can't able create an iscsi target because of some problem in configfs:
Below are the steps I followed in Debian Lenny(upgraded kernel to 2.6.39.2):
#!/bin/sh
# BEGIN CONFIG FOR CONFIGFS USAGE
modprobe configfs
mount -t configfs none /sys/kernel/config
# END CONFIG FOR CONFIGFS USAGE
# BEGIN CONFIGFS CODE FOR GENERIC TARGET ENGINE
modprobe target_core_mod
export CONFIGFS=/sys/kernel/config/
export TARGET=/sys/kernel/config/target/core/
export FABRIC=/sys/kernel/config/target/iscsi/
# END CONFIGFS CODE FOR GENERIC TARGET ENGINE
# START RAMDISK SUBSYSTEM PLUGIN OBJECTS
mkdir -p $TARGET/rd_mcp_0/ramdisk
echo rd_pages=32768> $TARGET/rd_mcp_0/ramdisk/control
echo 1> $TARGET/rd_mcp_0/ramdisk/enable
# END RAMDISK SUBSYSTEM PLUGIN OBJECTS
# BEGIN CONFIGFS CODE FOR LINUX ISCSI TARGET (LIO-TARGET)
DEF_IQN="iqn.2003-01.org.linux-iscsi.target.i686:sn.e475ed6fcdd0"
# Define the first iSCSI Network Portal
PORTAL1="10.0.0.1:3260"
# The first mkdir(2) to $FABRIC will load iscsi_target_mod
mkdir -p "$FABRIC/$DEF_IQN/tpgt_1/np/$PORTAL1"
mkdir: cannot create directory `/sys/kernel/config/target/iscsi':
Invalid argument
AND KERNEL LOG:
[10443.799266] CORE_HBA[0] - TCM Ramdisk HBA Driver v4.0 on Generic
Target CoreStack v4.0.0-rc7-ml
[10443.799272] CORE_HBA[0] - Attached Ramdisk HBA: 0 to Generic Target
Core TCQDepth: 256 MaxSectors: 1024
[10443.799278] CORE_HBA[1] - Attached HBA to Generic Target Core
[10443.799329] Target_Core_ConfigFS: Allocated struct se_subsystem_dev:
f4ee1000se_dev_su_ptr: f4e3e2c0
[10443.800370] Missing rd_pages= parameter
[10443.805761] Target_Core_ConfigFS: REGISTER-> group:f8552220 name:iscsi
[10443.838505] target_core_get_fabric() failed for iscsi
[10443.841826] Target_Core_ConfigFS: REGISTER-> group:f8552220 name:iscsi
[10443.875313] target_core_get_fabric() failed for iscsi
[10443.878496] Target_Core_ConfigFS: REGISTER-> group:f8552220 name:iscsi
[10443.910039] target_core_get_fabric() failed for iscsi
[10443.921684] Target_Core_ConfigFS: REGISTER-> group:f8552220 name:iscsi
[10443.951926] target_core_get_fabric() failed for iscsi
Please suggest any idea,
Thanks,
Raju.
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